Life Span
Perennial
Perennial
Type
Flowering Plants
Perennial
Origin
North-Central United States, Central United States, Western United States, Texas
-
Types
Blue Toadflax, Old-Field Toadflax
-
Number of Varieties
3050
0
40000
👆🏻
Habitat
Cultivated Beds
Cold Regions, Temperate Regions
USDA Hardiness Zone
3-94-8
0
99
👆🏻
AHS Heat Zone
9-1
8-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
Habit
Upright/Erect
Cushion/Mound-forming
Plant Size
Minimum Height
61.00 cm20.30 cm
0
3900
👆🏻
Minimum Width
25.40 cm27.90 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
Blue, Lavender
Flower Color Modifier
Bicolor
-
Fruit Color
-
-
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Green, Purple
Leaf Color in Summer
Blue Green, Gray Green
Green, Purple
Leaf Color in Fall
Blue Green, Gray Green
Green, Purple
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Oval to egg shaped
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Early Spring, Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Cuttings, Divison, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Average Water Needs, Keep ground moist, Water more in summer
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
use all-purpose fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
Pests and Diseases
Foliar disease, Root rot, Spider mites
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bumblebees
Butterflies
Allergy
Depression, High blood cholestrol, Pain
-
Uses
Aesthetic Uses
Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Black Dyes
Part of Plant Used
Leaves, Root
-
Other Uses
-
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
PENSTEMON grandiflorus
Polemonium caeruleum
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Jacob's Ladder
In Hindi
Wild Snapdragon
Jacob's Ladder
In German
Wilde Snapdragon
Jacob's Ladder
In French
Snapdragon sauvage
Jacob's Ladder
In Spanish
Salvaje Snapdragon
Jacob's Ladder
In Greek
άγρια Snapdragon
Jacob's Ladder
In Portuguese
Selvagem Snapdragon
Jacob's Ladder
In Polish
Dziki Snapdragon
Jacob's Ladder
In Latin
Phlox Ferae
Jacob's Ladder
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Ericales
Family
Scrophulariaceae
Polemoniaceae
Genus
Penstemon
Polemonium
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Scrophularioideae
-
Number of Species
4040
1
27800
👆🏻